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2.5 - 3T min rock size bedded in C32/40 concrete bed 1500 Min. 600 200 Existing concrete wall C32/40 concrete base to wall Rock Ramp Toe Detail at River Wall 1:50 A252 reinforcing mesh in middle of new wall New approx. 3m high C32/40 concrete wall to be fixed to existing wall with resin anchored 250mm long stainless steel steel dowels at 1m c/c vertically & horizontally with min 125mm embedments 400 200 min 13.36mAD02 14.15mAD02 14.87mAD02 Rock fill - Rock bed ramp. Top layer material to be frost resistant well graded DN225mm nominal size stone layer 500mm deep. Fill to comprise of:

• 35% 500mm to 300mm boulders
• 45% 250mm to 225mm crushed stone
• 20% 40mm to 20mm chippings (or similar approved material) 16.02mAD02 Proposed Long Section A - A Through River 1:50 1600 wide x 400mm deep trench for placing the single layer of 1.2m rock armour 1 - 3 tonne in size. 1600 wide x 400mm deep trench for placing the single layer of 1.2m rock armour 1 - 3 tonne in size. 2200 wide x 400mm deep trench for placing the double layer weir crest rock armour 1 - 3 tonne in size. 1600 wide x 400mm deep trench for placing the weir toe single layer of 1.2m rock armour 1 - 3 tonne in size. 1 : 15 fall overall Level Chainage Datum 10.00m Hz Scale 1:100 Vt Scale 1:100 0.00 18.43 0.14 18.37 0.42 16.76 0.91 16.44 1.82 16.45 1.86 16.27 2.29 16.35 2.34 15.76 6.05 15.78 6.09 16.13 6.44 16.10 6.49 15.22 7.94 15.21 8.02 15.99 10.44 15.65 13.01 15.74 14.25 15.17 15.55 15.25 15.58 17.12 7.27 15.16 18.23 17.10 Level : BD Chainage Datum 10.00m Hz Scale 1:100 Vt Scale 1:100 0.00 17.76 0.38 15.10 0.62 14.96 1.04 14.84 4.75 14.78 8.87 14.81 11.69 14.88 12.72 14.87 13.00 15.01 13.21 16.67 14.73 17.06 Top of Wall Top of Wall Top of Wall Existing River Sections 1 : 100 See Site Plan for location of sections. Proposed levels to remain the same at sections 10 and 11 Direction of flow Weir 1 4 Weir Weir 1 4 Victoria Terrace Existing river sediment and rock to be leveled and used to form new rock bed Weir toe comprising single row of 1 - 3 tonne boulders. Typical dimension 1.2m Proposed new wall to be cast in-situ concrete with a fair faced finish 1500mm wide x 500mm deep pools 500mm wide x 500mm deep low flow rate channels excavated in river bed Weir crest comprising two rows of staggerred 1 - 3 tonne boulders. Typical dimension approx 1.2m. Intermediate weirs comprising single rows of 1 - 3 tonne boulders. Typical dimension 1.2m A A Plan on Proposed Rock Ramp 1 : 200 LB Ballashalom Veg Veen Cottage Glen Side The Rough Mannin Cottage 1 4 Works Victoria Terrace Veg Veen Cottage Ballacowin Cottage Hollywood Acacia Villa Spring Villa Ballashalom Braes Lea Glen Side Mannin Cottage Verndale (PH) GLEN ROAD The Manx E LB Weir Ballashalom Veg Veen Cottage Glen Side The Rough Mannin Cottage 1 4 Works Victoria Terrace Veg Veen Cottage Ballacowin Cottage Hollywood Acacia Villa Spring Villa Ballashalom Braes Lea Glen Side Mannin Cottage Stream Verndale (PH) Glen Royal el Note: It is not practical to show the boundary of land owned by the applicant (Department of Infrastructure) as the area of ownership is too large. However the Department owns or has responsibility for all of the adjacent highways, pavements and retaining walls along the river and highway Approx. 40m Existing structures to remain Existing weir to be removed. 500mm to remain next to stone structures. Approx 9m x 3m x 1m. Proposed extra section of wall to tie in and run flush with new Glen Road wall at the same height Wall to end where existing wall turns to Manx Stone Steel/concrete structure to be removed. Approx 6m x 4m. Steel/concrete structure to be removed. Approx 30m x 10m x 0.5m Work area shown in red 10 10 11 11 Site Plan 1 : 500 2000 3000 2000 2500 1500 30000 Riverbed Concrete and steel rail structure Existing Long Section A - A Through River 1:50 Rev. Client:

Ref. Revision Date Chk. By Status infrastructure bun-troggalys QUO QUE CUN CER IS JE STA BIT Job Title Drawing Title Drawn By Checked By Date Scale Job Ref Drawing No AMENDMENTS Reiltys Ellan Vannin Government Isle of Man QUO QUE CUN CER IS JE STA BIT Reiltys Ellan Vannin Government Isle of Man Engineering Design Highway Services Division Department of Infrastructure First Floor, Sea Terminal Building, Douglas Isle of Man, IM1 2RF T/DT/A1/01 Laxey Glen Road 401 Feb '21 as shown HW3789 ASp Rock Ramp New Rock Ramp Details of Proposed Highways Planning GSm